ISO 9329-4-1997 受压力的无缝钢管.交货技术条件.第4部分
ISO 9329-4-1997 受压力的无缝钢管.交货技术条件.第4部分ISO 9329-4:1997 - Seamless steel tubes for pressure purposes -- Technical delivery conditions -- Part 4: Austenitic stainless steels
求助高人协助,感谢!
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